After the operative date of this franchise, grantee’s main or lateral lines installed or repaired in public ways shall be installed or replaced at depths which comply with all applicable state and federal rules and regulations establishing minimum safety standards for the design, construction, maintenance, and operation of pipelines. Depth shall be measured from the lower of existing grade or proposed future grade as set forth on plans or other specifications existing at the time such lines are installed or replaced. (Prior Code, Appendix C, Article II, § 6) (Ord. 809, passed 3-16-1994)